My son is taking the university entrance exam this year. - Even though they have been married for many years, her husband, Kenzo, is still very affectionate and sexually active towards his wife, Kyoko, and he doesn't care if their son is in front of him. - While eating, he stroked her thighs and even asked Kyoko to kiss him... - Being a good mother, Kyoko refuses, but after her son goes to bed, she reveals her female side to Kenzo in a violent copulation. - Kenzo, who wanted to enjoy more perverted acts with Kyoko, takes a look at the day when his son is going out and invites a young stranger into his home...